Round 4- Thruxton 21 April 1984
| Pos. | Cat. | # | Driver | Team/sponsor | Cat. | Car | Grid | Q-time | FL | Laps | Time | Notes |
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| 1. | 1. | 7 | Andy Rouse | Rouse/ICS | A | Rover Vitesse | 1 | | | | | |
| 2. | 2. | 11 | Tony Pond | TWR/Sanyo | A | Rover Vitesse | | | | | | |
| 3. | 3. | 10 | Peter Lovett | TWR/Sanyo | A | Rover Vitesse | | | | | | |
| 4. | 4. | 9 | Frank Sytner | Sytner | A | BMW 635CSi | | | | | | |
| DQ | DQ. | 5 | Vince Woodman | CC Motorsport/BMW GB | A | BMW 635CSi | | | | | | Subsequently DQ'd, tyres protruding beyond wheelarch.... |
| 5 | 5 | 17 | David Kennedy | BS Automotive/Grundig | A | BMW 635CSi | | | | | | |
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| 1. | 1. | 34 | Patrick Watts | Dowson/Computervision | B | MG Metro Turbo | | | | | | |
| ?. | 2. | 35 | Robin Brundle | Dowson/Computervision | B | MG Metro Turbo | | | | | | |
| ? | 3. | 40 | Phil Dowsett | Terry Drury Racing | B | Alfa Romeo GTV6 | | | | | | |
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| ? | ? | 30 | Jon Dooley | ARDT/Napolina | B | Alfa Romeo GTV6 | | | | | | Fuel injection problems |
| ? | ? | 38 | Graham Goode | Graham Goode Racing | B | Nissan Bluebird Turbo | | | | | | lack of turbo boost |
| ?. | ?. | 32 | Rob Kirby | ARDT/Salmon Can | B | Alfa Romeo GTV6 | | | | | | tyre problems |
| ? | ?. | 41 | Paul Smith | Terry Drury Racing | B | Alfa Romeo GTV6 | | | | | | tyre problems? |
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| ? | 1. | 77 | Richard Longman | Longman/Datapost | C | Ford Escort RS1600i | | | | | | |
| ? | 2. | 72 | Rob Hall | John Maguire/Lloyds | C | Ford Escort RS1600i | | | | | | |
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| DNF | DNF | 6 | James Weaver | CC Motorsport/BMW GB | A | BMW 635CSi | | | | | | Ignition |
| DNF | DNF | 66 | Alan Curnow | Longman/Datapost | C | Ford Escort RS1600i | | | | | | Accident |
| DNF | DNF | 69 | Chris Hodgetts | Brooklyn Motorsport | C | Ford Escort RS1600i | | | | | | |
| DNF | DNF | 14 | Win Percy | Hughes of Beaconsfield | A | Toyota Celica Supra | 2 | | | 0 laps | | Accident |
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The Drury and Kirby Alfas were having the same tyre problems as at Oulton.
All of the BMW drivers were complaining about the handling of their 635s
Win Percy went off on lap 1 while challenging Rouse for the lead- Team boss Mike Hughes reported that a new, lighter and more powerful car was already taking shape in the workshops.
Curnow went off-line trying to overtake two slower cars approaching the chicane, missed his braking point and went off virtually head-on into the tyre wall- the Escort was badly damaged, and Alan suffered a broken foot.
Weaver enjoyed a spectacular, no-holds-barred scrap with Lovett and Sytner- Sytner in particular wasn't too happy about Weaver's 'aggressive' tactics
!
Woodman was later disqualified on the grounds that the 635's front wheels were protruding beyond the wheelarch- by the massive amount of 1mm on the left and 3mm on the right....! The team appealed against the decision- More of this later....